Use a Determinant to Find Y Such That $( 6 , - 15 ) , ( 12 , y )$

Multiple Choice

Use a determinant to find y such that $( 6 , - 15 ) , ( 12 , y )$ , and $( 15 , - 6 )$ are collinear.

A) $y = - 33$
B) $y = 15$
C) $y = 3$
D) $y = - 6$
E) $y = - 9$